Home / 1,660,015,965.90-2,490,023,948.85-433,184,417.40

Finding the Fourth Proportional to 1,660,015,965.90, 2,490,023,948.85 and 433,184,417.40

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Solution

The fourth proportional to 1,660,015,965.90, 2,490,023,948.85 and 433,184,417.40 is: 649,776,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,015,965.90 : 2,490,023,948.85 = 433,184,417.40 : x
  2. Step 2: Convert to fraction form
    1,660,015,965.90/2,490,023,948.85 = 433,184,417.40/x
  3. Step 3: Cross multiply
    1,660,015,965.90x = 2,490,023,948.85 × 433,184,417.40
  4. Step 4: Simplify right side
    1,660,015,965.90x = 1,078,639,573,594,634,496
  5. Step 5: Solve for x
    x = 1,078,639,573,594,634,496/1,660,015,965.90
  6. Step 6: Final answer
    x = 649,776,626.10

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Double scale
Find fourth proportional to 1,660,015,966.90, 2,490,023,950.35 and 433,184,418.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.